Finding the Fourth Proportional to 23,200.32, 32,042.57 and 15,677.75

Step by Step Solution

1. Step 1: Write the proportion equation
   23,200.32 : 32,042.57 = 15,677.75 : x
2. Step 2: Convert to fraction form
   23,200.32/32,042.57 = 15,677.75/x
3. Step 3: Cross multiply
   23,200.32x = 32,042.57 × 15,677.75
4. Step 4: Simplify right side
   23,200.32x = 502,355,241.60
5. Step 5: Solve for x
   x = 502,355,241.60/23,200.32
6. Step 6: Final answer
   x = 21,652.94